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Engine-Codes – Mercury – B2917 Mercury

B2917 Mercury Code - Auxiliary Mode Door Motor Circuits Shorted

Quick Answer

The B2917 diagnostic trouble code (DTC) for Mercury vehicles indicates a problem with the Auxiliary Mode Door Motor circuits being shorted. Common causes include Damaged wiring or connectors related to the Auxiliary Mode Door Motor circuits, Corrosion in the wiring or connectors, Faulty Auxiliary Mode Door Motor. Severity is High - diagnose this code as soon as possible. Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.

What it means
B2917 Mercury indicates Auxiliary Mode Door Motor Circuits Shorted.
Common causes
Common causes include Damaged wiring or connectors related to the Auxiliary Mode Door Motor circuits, Corrosion in the wiring or connectors, Faulty Auxiliary Mode Door Motor.
Severity
High - diagnose this code as soon as possible.
Can I drive?
Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.
What is this?
Table of contents Created and updated by William Orellana on Sep 15, 2024
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Code B2917 Mercury Description

The B2917 diagnostic trouble code (DTC) for Mercury vehicles indicates a problem with the Auxiliary Mode Door Motor circuits being shorted. The Auxiliary Mode Door Motor is responsible for controlling the airflow direction within the HVAC (Heating, Ventilation, and Air Conditioning) system of the vehicle. When this motor's circuits are shorted, it can lead to issues with the distribution of air within the cabin, affecting the overall comfort and functionality of the HVAC system.

OBDII Code B2917 Mercury - Auxiliary Mode Door Motor Circuits Shorted
B2917 Mercury Code - Auxiliary Mode Door Motor Circuits Shorted

Common Causes of B2917 Mercury

  1. Damaged wiring or connectors related to the Auxiliary Mode Door Motor circuits.
  2. Corrosion in the wiring or connectors.
  3. Faulty Auxiliary Mode Door Motor.
  4. Electrical issues within the HVAC system.
  5. Poor maintenance of the HVAC system.

Symptoms of B2917 Mercury

  1. Uneven distribution of airflow from the vents.
  2. Inconsistent heating or cooling performance.
  3. HVAC system may not respond to control inputs.
  4. Strange noises coming from the HVAC system.
  5. HVAC system may not function at all.

How to Fix B2917 Mercury

  1. Begin by diagnosing the exact cause of the shorted circuits using a multimeter and wiring diagrams.
  2. Inspect the wiring and connectors for any signs of damage or corrosion. Replace or repair as necessary.
  3. Test the Auxiliary Mode Door Motor for proper functionality. Replace if found to be faulty.
  4. Clear the DTC from the vehicle's computer using a diagnostic scan tool.
  5. Test the HVAC system to ensure proper airflow distribution and functionality after repairs have been completed.

Cost to Fix B2917 Mercury

The cost of repairing a B2917 DTC for a Mercury vehicle can vary depending on the specific cause of the issue and the extent of the repairs needed. In general, the cost of parts for this repair can range from $100 to $300, with labor costs adding an additional $100 to $200. Overall, the total repair cost for addressing this code typically falls within the range of $200 to $500. However, it's important to note that these are rough estimates, and actual costs may vary based on factors such as location, vehicle make and model, and the rates charged by the auto repair shop. It's recommended to obtain a detailed quote from a trusted mechanic or dealership for a more accurate cost estimate.

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About the author: William Orellana is a Master Mechanic and Mechanical Engineer with over 30 years of experience diagnosing and repairing vehicles. Learn more about his background.

Frequently Asked Questions about B2917 Mercury Code

1. What are the common symptoms of OBDII code B2917 in a Mercury related to the Auxiliary Mode Door Motor Circuits Shorted?

- Common symptoms may include issues with the HVAC system, such as the inability to control airflow direction or a lack of temperature control.

2. What are the potential causes of the OBDII code B2917 Mercury Auxiliary Mode Door Motor Circuits Shorted?

- The code B2917 can be triggered by electrical faults, short circuits, damaged wiring, or a malfunctioning auxiliary mode door motor in the HVAC system.

3. How can I diagnose the OBDII code B2917 related to the Auxiliary Mode Door Motor Circuits Shorted in my Mercury?

- Diagnosis typically involves using a scan tool to retrieve the specific fault code, inspecting the auxiliary mode door motor and its circuits for damage, and testing the electrical connections.

4. Is it safe to continue driving my Mercury with the OBDII code B2917 present?

- It is generally not recommended to drive with unresolved OBDII codes, as they can indicate underlying issues that may affect the vehicle's performance and safety.

5. Can I reset the OBDII code B2917 in my Mercury Auxiliary Mode Door Motor Circuits Shorted by disconnecting the battery?

- Disconnecting the battery may clear the code temporarily, but it is important to address the root cause of the issue to prevent it from reoccurring.

6. How much does it typically cost to repair the OBDII code B2917 in a Mercury for the Auxiliary Mode Door Motor Circuits Shorted?

- Repair costs can vary depending on the specific cause of the issue, but they may involve replacing the auxiliary mode door motor, repairing damaged wiring, or addressing electrical faults.

7. Are there any DIY repair tips for fixing the OBDII code B2917 related to the Auxiliary Mode Door Motor Circuits Shorted in my Mercury?

- DIY repair may be possible for those with automotive knowledge and experience, but it is recommended to consult a professional mechanic to ensure the issue is properly diagnosed and repaired.

8. Can extreme temperatures or weather conditions trigger the OBDII code B2917 in a Mercury?

- Extreme temperatures or weather conditions can potentially exacerbate existing issues with the auxiliary mode door motor circuits, leading to the code B2917 being triggered.

9. Will the OBDII code B2917 Mercury Auxiliary Mode Door Motor Circuits Shorted affect my vehicle's emissions or fuel efficiency?

- While the code itself may not directly impact emissions or fuel efficiency, addressing the underlying issue promptly can help maintain optimal vehicle performance and efficiency.

10. How long does it typically take to repair the OBDII code B2917 Mercury Auxiliary Mode Door Motor Circuits Shorted?

- Repair times can vary depending on the extent of the issue and the availability of parts, but it is advisable to consult with a mechanic for a more accurate estimate.

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